The QColorTransform class is a transformation between color spaces. More...

#include <qcolortransform.h>

Collaboration diagram for QColorTransform:

Public Member Functions
	QColorTransform () noexcept=default

Q_GUI_EXPORT	~QColorTransform ()

Q_GUI_EXPORT	QColorTransform (const QColorTransform &colorTransform) noexcept

	QColorTransform (QColorTransform &&colorTransform)=default

QColorTransform &	operator= (const QColorTransform &other) noexcept

void	swap (QColorTransform &other) noexcept

Q_GUI_EXPORT bool	isIdentity () const noexcept

Q_GUI_EXPORT QRgb	map (QRgb argb) const
	Applies the color transformation on the QRgb value argb.

Q_GUI_EXPORT QRgba64	map (QRgba64 rgba64) const
	Applies the color transformation on the QRgba64 value rgba64.

Q_GUI_EXPORT QRgbaFloat16	map (QRgbaFloat16 rgbafp16) const
	Applies the color transformation on the QRgbaFloat16 value rgbafp16.

Q_GUI_EXPORT QRgbaFloat32	map (QRgbaFloat32 rgbafp32) const
	Applies the color transformation on the QRgbaFloat32 value rgbafp32.

Q_GUI_EXPORT QColor	map (const QColor &color) const
	Applies the color transformation on the QColor value color.

Friends
class	QColorSpacePrivate

class	QColorTransformPrivate

bool	operator== (const QColorTransform &ct1, const QColorTransform &ct2)

bool	operator!= (const QColorTransform &ct1, const QColorTransform &ct2)

Detailed Description

The QColorTransform class is a transformation between color spaces.

Since: 5.14

\inmodule QtGui

QColorTransform is an instantiation of a transformation between color spaces. It can be applied on color and pixels to convert them from one color space to another.

Setting up a QColorTransform takes some preprocessing, so keeping around QColorTransforms that you need often is recommended, instead of generating them on the fly.

Definition at line 25 of file qcolortransform.h.

Constructor & Destructor Documentation

◆ QColorTransform() [1/3]

QColorTransform::QColorTransform ( )

defaultnoexcept

◆ ~QColorTransform()

QColorTransform::~QColorTransform ( )

default

◆ QColorTransform() [2/3]

QColorTransform::QColorTransform ( const QColorTransform & colorTransform )

defaultnoexcept

◆ QColorTransform() [3/3]

QColorTransform::QColorTransform ( QColorTransform && colorTransform )

default

Member Function Documentation

◆ isIdentity()

bool QColorTransform::isIdentity ( ) const

noexcept

Since: 6.4 Returns true if the color transform is the identity transform.

Definition at line 111 of file qcolortransform.cpp.

References d.

◆ map() [1/5]

QColor QColorTransform::map ( const QColor & color ) const

Applies the color transformation on the QColor value color.

Definition at line 271 of file qcolortransform.cpp.

References QColorTrc::apply(), QColorTrc::applyExtended(), QColorTrc::applyInverse(), QColorTrc::applyInverseExtended(), QColor::blueF(), QColorTransformPrivate::colorMatrix, QColorTransformPrivate::colorSpaceIn, QColorTransformPrivate::colorSpaceOut, QColor::ExtendedRgb, QColorSpacePrivate::LUT::generated, QColor::greenF(), QBasicAtomicInteger< T >::loadAcquire(), QColorSpacePrivate::lut, QColorMatrix::map(), out, QColor::redF(), QColor::Rgb, QColor::spec(), QColor::toRgb(), QColorSpacePrivate::trc, and QColorVector::x.

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◆ map() [2/5]

QRgb QColorTransform::map ( QRgb argb ) const

Applies the color transformation on the QRgb value argb.

The input should be opaque or unpremultiplied.

Definition at line 156 of file qcolortransform.cpp.

References QColorTrc::apply(), QColorTrc::applyInverse(), QColorTransformPrivate::colorMatrix, QColorTransformPrivate::colorSpaceIn, QColorTransformPrivate::colorSpaceOut, QColorSpacePrivate::LUT::generated, QBasicAtomicInteger< T >::loadAcquire(), QColorSpacePrivate::lut, QColorMatrix::map(), qAlpha(), qBlue(), qGreen(), qRed(), qRgba(), QColorSpacePrivate::trc, and QColorVector::x.

Referenced by convert_Indexed8_to_Grayscale8().

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◆ map() [3/5]

QRgba64 QColorTransform::map ( QRgba64 rgba64 ) const

Applies the color transformation on the QRgba64 value rgba64.

The input should be opaque or unpremultiplied.

Definition at line 193 of file qcolortransform.cpp.

References QRgba64::alpha(), QColorTrc::apply(), QColorTrc::applyInverse(), QRgba64::blue(), QColorTransformPrivate::colorMatrix, QColorTransformPrivate::colorSpaceIn, QColorTransformPrivate::colorSpaceOut, QRgba64::fromRgba64(), QColorSpacePrivate::LUT::generated, QRgba64::green(), QBasicAtomicInteger< T >::loadAcquire(), QColorSpacePrivate::lut, QColorMatrix::map(), QRgba64::red(), QColorSpacePrivate::trc, and QColorVector::x.

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◆ map() [4/5]

QRgbaFloat16 QColorTransform::map ( QRgbaFloat16 rgbafp16 ) const

Applies the color transformation on the QRgbaFloat16 value rgbafp16.

The input should be opaque or unpremultiplied.

Since: 6.4

Definition at line 231 of file qcolortransform.cpp.

References QColorTrc::applyExtended(), QColorTrc::applyInverseExtended(), QRgbaFloat< F >::b, QColorTransformPrivate::colorMatrix, QColorTransformPrivate::colorSpaceIn, QColorTransformPrivate::colorSpaceOut, QRgbaFloat< F >::g, QColorMatrix::map(), QRgbaFloat< F >::r, and QColorSpacePrivate::trc.

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◆ map() [5/5]

QRgbaFloat32 QColorTransform::map ( QRgbaFloat32 rgbafp32 ) const

Applies the color transformation on the QRgbaFloat32 value rgbafp32.

The input should be opaque or unpremultiplied.

Since: 6.4

Definition at line 252 of file qcolortransform.cpp.

References QColorTrc::applyExtended(), QColorTrc::applyInverseExtended(), QRgbaFloat< F >::b, QColorTransformPrivate::colorMatrix, QColorTransformPrivate::colorSpaceIn, QColorTransformPrivate::colorSpaceOut, QRgbaFloat< F >::g, QColorMatrix::map(), QRgbaFloat< F >::r, and QColorSpacePrivate::trc.

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◆ operator=()

QColorTransform & QColorTransform::operator= ( const QColorTransform & other )

inlinenoexcept

Definition at line 32 of file qcolortransform.h.

References other().

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◆ swap()

void QColorTransform::swap ( QColorTransform & other )

inlinenoexcept

Definition at line 39 of file qcolortransform.h.

References d, and other().

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Friends And Related Symbol Documentation

◆ operator!=

bool QColorTransform::operator!=	(	const QColorTransform &	ct1,
		const QColorTransform &	ct2
	)

friend

Since: 6.4 Returns true if ct1 does not define the same transformation as ct2.

Definition at line 50 of file qcolortransform.h.

◆ operator==

bool QColorTransform::operator==	(	const QColorTransform &	ct1,
		const QColorTransform &	ct2
	)

friend

Since: 6.4 Returns true if ct1 defines the same color transformation as ct2.

Definition at line 48 of file qcolortransform.h.

◆ QColorSpacePrivate

friend class QColorSpacePrivate

friend

Definition at line 54 of file qcolortransform.h.

◆ QColorTransformPrivate

friend class QColorTransformPrivate

friend

Definition at line 55 of file qcolortransform.h.

The documentation for this class was generated from the following files:

qtbase/src/gui/painting/qcolortransform.h
qtbase/src/gui/painting/qcolortransform.cpp

Public Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

◆ QColorTransform() [1/3]

◆ ~QColorTransform()

◆ QColorTransform() [2/3]

◆ QColorTransform() [3/3]

Member Function Documentation

◆ isIdentity()

◆ map() [1/5]

◆ map() [2/5]

◆ map() [3/5]

◆ map() [4/5]

◆ map() [5/5]

◆ operator=()

◆ swap()

Friends And Related Symbol Documentation

◆ operator!=

◆ operator==

◆ QColorSpacePrivate

◆ QColorTransformPrivate